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%I #5 Nov 25 2016 07:36:00
%S 0,0,24,1076,19893,235446,2080575,14836233,89504692,471646066,
%T 2221297222,9512455863,37536099773,137924875200,475940969064,
%U 1553081484256,4820235461752,14298088612192,40701436072216,111582345485761
%N Number of nX2 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.
%C Column 2 of A278656.
%H R. H. Hardin, <a href="/A278650/b278650.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A278650/a278650.txt">Empirical polynomial of degree 33</a>
%F Empirical polynomial of degree 33 (see link above)
%e Some solutions for n=4
%e ..1..1. .0..0. .0..2. .1..1. .2..2. .2..2. .1..2. .1..2. .2..2. .0..2
%e ..0..2. .1..2. .0..1. .0..2. .1..1. .2..0. .0..2. .0..2. .2..0. .2..2
%e ..1..2. .1..0. .2..1. .1..2. .0..1. .1..1. .0..0. .2..1. .1..0. .1..2
%e ..1..1. .0..1. .2..0. .0..0. .1..1. .0..1. .0..0. .2..0. .0..1. .0..1
%Y Cf. A278656.
%K nonn
%O 1,3
%A _R. H. Hardin_, Nov 25 2016
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